CN202600738U - Device for adopting microstrip line leaky waves to detect radio frequency electronic tag - Google Patents
Device for adopting microstrip line leaky waves to detect radio frequency electronic tag Download PDFInfo
- Publication number
- CN202600738U CN202600738U CN 201220173319 CN201220173319U CN202600738U CN 202600738 U CN202600738 U CN 202600738U CN 201220173319 CN201220173319 CN 201220173319 CN 201220173319 U CN201220173319 U CN 201220173319U CN 202600738 U CN202600738 U CN 202600738U
- Authority
- CN
- China
- Prior art keywords
- microstrip
- microwave
- radio frequency
- radio
- lead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Near-Field Transmission Systems (AREA)
Abstract
The utility model provides a device for adopting microstrip line leaky waves to detect a radio frequency electronic tag. The device comprises a host machine, a microwave device and a radio frequency identification transmitting/receiving device, wherein the microwave device at least comprises microwave strip-shaped conducting lines capable of producing a leaky wave phenomenon. The radio frequency identification transmitting/receiving device can sense an object having a radio frequency tag through electromagnetic induction resulted from current produced by the microwave strip-shaped conducting lines due to the leaky wave phenomenon; and the radio frequency identification transmitting/receiving device communicates with the host machine in a wireless or wired manner, and stores or transmits induction information of the object having the radio frequency tag to the host machine so as to automatically detect the object having the radio frequency tag with no manual work required; the device can be widely used in logistics management of stores, theft prevention for valuables such as jewelries and decorative pieces, start or finish line of dog racing, horse racing or athletics et etc.
Description
Technical field
The utility model relates to a kind of device of using microstrip line leaky wave detecting radio electronic label; Mainly be to utilize the leaky wave phenomenon of microstrip lead that electric field is provided; Utilize the microstrip line leaky wave characteristic of microwave circuit; Can the distance that electromagnetic wave transmits be controlled in the scope that needs,, make radio-frequency discriminating sending and receiving apparatus and main frame or programmable single-chip carry out the function of Auto-Sensing with a plurality of objects in the induction field scope with RF identification label.
Background technology
Ultrahigh frequency radio frequency (Ultra high frequency) detection technology is a kind of remote-wireless mechanics of communication, and its system mainly is made up of electronic tag (Tag), reader (Reader), antenna (Antenna) three parts; Get into the field region of antenna induction when electronic tag; Electronic tag is triggered by wireless signal, promptly responds recognition signal, sees through antenna and is sent in the reader; This identifying information is after affirmation is errorless, and reader is reading the associated inner memorizer information from electronic tag.
The antenna of ultrahigh frequency radio frequency sensing system now the technology under lightening gradually; Often be applied to thief-proof, dog race, horse racing or initial or finishing line of track and field events like valuables such as sales field logistics management, gate inhibition, books, file, medicine, clothes management, jewelry, ornaments etc.; But because the ultrahigh frequency radio frequency technology has its frequency; The restriction of induction range and distance of reaction, induction range is too little, can cause the not good or read error phenomenon of read rate; Induction range is too big, can cause mistake amount or erroneous judgement phenomenon, can't reach effective management.Therefore, need a kind of device that can solve the predicament on the prior art.
The utility model content
The fundamental purpose of the utility model is to provide a kind of device of using microstrip line leaky wave detecting radio electronic label, utilizes the microstrip line leaky wave characteristic of microwave circuit, can the distance that electromagnetic wave transmits be controlled in the scope that needs.This device comprises: a main frame or programmable single-chip; One microwave device comprises a microstrip lead that produces the leaky wave phenomenon at least; An and radio-frequency discriminating transmission/reception; Be connected with this microwave device; In order to see through this microstrip lead because of this leaky wave phenomenon; The electric current that the microstrip lead produces forms electromagnetic induction, and responding to a plurality of objects with a RF identification label, and radio-frequency discriminating transmission/reception and this main frame or programmable single-chip carry out communication with wireless or wired mode; And the sensitive information that will have the object of RF identification label stores or is sent to main frame or programmable single-chip, thereby can automatically carry out the object of sensing RF identification label.
The utility model is used the device of microstrip line leaky wave detecting radio electronic label; By the electromagnetic field of microstrip lead because of the generation of leaky wave phenomenon; Thereby information that can sensing RFID electronic tag, and sensitive information is stored to this machine internal memory or is sent to main frame, therefore; Use at the utility model device under the setting of device of microstrip line leaky wave detecting radio electronic label; Do not need manual type to carry out sensing, in addition, can be widely used in thief-proof, dog race, horse racing or initial or finishing line of track and field events of valuables such as sales field logistics management, gate inhibition, books, file, medicine, clothes management, jewelry, ornaments etc.
Description of drawings
Fig. 1 uses the cell schematics of the device of microstrip line leaky wave detecting radio electronic label for the utility model;
Fig. 2 is the synoptic diagram of the utility model microwave device first embodiment; And
Fig. 3 A to Fig. 3 C is the synoptic diagram of the utility model microwave device second to the 4th embodiment.
The primary clustering symbol description
1 uses the device of microstrip line leaky wave detecting radio electronic label
10 main frames or programmable single-chip
20 microwave devices
21 microstrip leads
23 impedance matching assemblies
25 metal levels
27 dielectric layers
29 coaxial microwave cables
30 radio-frequency discriminatings (RFID) transmission/reception
40 radio-frequency discriminatings (RFID) label
50 objects
Embodiment
Those skilled in the art below cooperate graphic and element numbers is done more detailed explanation to the embodiment of the utility model, so that can implement after studying this instructions carefully according to this.
With reference to figure 1, Fig. 1 uses the cell schematics of the device of microstrip line leaky wave detecting radio electronic label for the utility model.As shown in Figure 1; The device 1 that the utility model is used microstrip line leaky wave detecting radio electronic label comprises a main frame or programmable single-chip 10, a microwave device 20; An and radio-frequency discriminating (radio-frequency identification; RFID) transmission/reception 30, and microwave device 20 comprises a microstrip lead that produces the leaky wave phenomenon at least; RFID transmission/reception 30 is connected with microwave device 20; In order to see through this microstrip lead because of the leaky wave phenomenon; The electric current that this microstrip lead produces forms electromagnetic induction, utilizes the microstrip line leaky wave characteristic of microwave circuit; Can the distance that electromagnetic wave transmits be controlled in the scope that needs; With a plurality of objects in the induction field scope, and carry out communication with wireless or wired mode, and the sensitive information that will have an object 50 of RFID electronic tag 40 stores RFID transmission/reception 30 internal storages or is sent to main frame or programmable single-chip 10 with main frame or programmable single-chip 10 with RFID electronic tag 40.
With reference to figure 2, Fig. 2 is the synoptic diagram of the utility model microwave device first embodiment.The microwave device 20 of the utility model first embodiment comprises a microstrip lead 21 and an impedance matching assembly 23 at least; This organize anti-matching component 23 can comprise resistance, electric capacity, inductance at least one of them; This impedance matching assembly 23 is connected with this microstrip lead 21 and has and this microstrip lead 21, and the identical or approximate resistance value of RFID transmission/reception 30 antenna signal links, utilizes impedance matching assembly 23; Make the microstrip lead form short circuit; And then producing the leaky wave phenomenon, RFID transmission/reception 30 provides an electric current, thereby can utilize this electric current to produce electromagnetic induction; Sensing RFID electronic tag 40 automatically, and a sensitive information stored RFID transmission/reception 30 internal storages or be sent to main frame.
With reference to figure 3A to Fig. 3 C, be respectively the synoptic diagram of the utility model microwave device second to the 4th embodiment.Shown in Fig. 3 A; The microwave device 20 of the utility model second embodiment comprises a microstrip lead 21, a metal level 25 and a dielectric layer 27 at least; Microstrip lead 21 is arranged at the last lower plane of dielectric layer 27 respectively with metal level 25, thereby can make microwave device 20 produce the leaky wave phenomenon, and RFID transmission/reception 30 provides an electric current; Thereby can utilize this electric current to produce electromagnetic induction, automatically sensing RFID electronic tag 40.Shown in Fig. 3 B, the microwave device 20 of the 3rd embodiment comprises two microwave wires 21 at least and a dielectric layer 27, two microstrip leads 21 are arranged at the last lower plane of dielectric layer 27 respectively, thereby can make microwave device 20 produce electromagnetic induction, i.e. leaky wave phenomenon.Shown in Fig. 3 B; The microwave device 20 of the 3rd embodiment comprises two microstrip leads 21 and a dielectric layer 27 at least; Two microstrip leads, 21 coplines are arranged at a surface of dielectric layer 27, thereby the position between two microstrip leads 21 produces electromagnetic induction, i.e. leaky wave phenomenon.
Further, the other end of this microstrip lead 21 be connected with a coaxial microwave cable line 29, and the other end of this coaxial microwave cable 29 is connected with the antenna signal link (not shown) of radio-frequency discriminating transmission/reception 30.This coaxial microwave cable 29 has and this microstrip lead 21, and the identical or approximate resistance value of antenna signal link of radio-frequency discriminating transmission/reception 30.
The utility model is used the device of microstrip line leaky wave detecting radio electronic label; By the electromagnetic field of microstrip lead because of the generation of leaky wave phenomenon; RFID transmission/reception 30 provides an electric current, thus state that can sensing RFID label, and sensitive information stored RFID transmission/reception 30 internal storages or be sent to main frame or programmable single-chip 10; Therefore; Use at the utility model under the setting of device of microstrip line leaky wave detecting radio electronic label, do not need manual type to carry out sensing, in addition; Can be widely used in the sales field logistics management, thief-proof, the dog race of valuables such as gate inhibition, books, file, medicine, clothes management, jewelry, ornaments, horse racing or initial or finishing line of track and field events etc.
The above person is merely in order to explain the preferred embodiment of the utility model; Be not that attempt is done any pro forma restriction to the utility model according to this; Therefore; All have in following any modification or change of making relevant the utility model of identical creation spirit, all must be included in the category of the utility model intention protection.
Claims (8)
1. a device of using microstrip line leaky wave detecting radio electronic label is characterized in that, comprises:
One main frame or a programmable single-chip;
One microwave device comprises a microstrip lead that produces the leaky wave phenomenon at least; And
One radio-frequency discriminating transmission/reception; Be connected with this microwave device; In order to see through this microstrip lead because of this leaky wave phenomenon; The electric current that this microstrip lead produces forms electromagnetic induction; Responding to a plurality of objects with a RF identification label, and this radio-frequency discriminating transmission/reception and this main frame or this programmable single-chip carry out communication with wireless or wired mode, and the sensitive information that will have a said object of this RF identification label stores or be sent to this main frame or this programmable single-chip.
2. device as claimed in claim 1; It is characterized in that; This microwave device comprises this a microstrip lead and an impedance matching assembly at least; This impedance matching assembly is connected with this microstrip lead, and has and this microstrip lead, and the identical or approximate resistance value of radio-frequency discriminating transmission/reception antenna signal link.
3. device as claimed in claim 2 is characterized in that, this impedance matching assembly comprise in a resistance, an electric capacity and the inductance at least one of them.
4. device as claimed in claim 1 is characterized in that, this microwave device comprises this microstrip lead, a metal level and a dielectric layer at least, and this microstrip lead and this metal level are arranged at the last lower plane of this dielectric layer respectively.
5. like claim 2 or 4 described devices; It is characterized in that; This microwave device comprises a coaxial microwave cable line further, and this coaxial microwave cable one end is connected with this microstrip lead, and the other end of this coaxial microwave cable is connected with the antenna signal link of this radio-frequency discriminating transmission/reception again; And this coaxial microwave cable has and this microstrip lead, and the identical or approximate resistance value of antenna signal link of this radio-frequency discriminating transmission/reception.
6. device as claimed in claim 1 is characterized in that, this microwave device comprises two these microstrip leads and a dielectric layer at least, and two these microstrip leads are arranged at the last lower plane of this dielectric layer respectively.
7. device as claimed in claim 1 is characterized in that, this microwave device comprises two these microstrip leads and a dielectric layer at least, and two these microstrip lead coplines are arranged at a surface of this dielectric layer.
8. like claim 6 or 7 described devices; It is characterized in that; This microwave device comprises a coaxial microwave cable line further, and this coaxial microwave cable one end is connected with said microstrip lead, and the other end of this coaxial microwave cable is connected with the antenna signal link of this radio-frequency discriminating transmission/reception again; And this coaxial microwave cable has and this microstrip lead, and the identical or approximate resistance value of antenna signal link of this radio-frequency discriminating transmission/reception.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220173319 CN202600738U (en) | 2012-04-23 | 2012-04-23 | Device for adopting microstrip line leaky waves to detect radio frequency electronic tag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220173319 CN202600738U (en) | 2012-04-23 | 2012-04-23 | Device for adopting microstrip line leaky waves to detect radio frequency electronic tag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202600738U true CN202600738U (en) | 2012-12-12 |
Family
ID=47318262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220173319 Expired - Lifetime CN202600738U (en) | 2012-04-23 | 2012-04-23 | Device for adopting microstrip line leaky waves to detect radio frequency electronic tag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202600738U (en) |
-
2012
- 2012-04-23 CN CN 201220173319 patent/CN202600738U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102246187B (en) | Method and system for item level uhf rfid tag with low frequency power assist | |
| US9836682B2 (en) | System and method for detecting the depth of an antenna in the card body of a smart card | |
| US10765007B2 (en) | Communication device based on flexible circuit board | |
| WO2015024223A1 (en) | Intelligent safe box, safe control system and control method using same | |
| CN202600738U (en) | Device for adopting microstrip line leaky waves to detect radio frequency electronic tag | |
| CN203260059U (en) | General chip based on ultrahigh frequency radio frequency identification logistics label | |
| CN203079146U (en) | Radio frequency storage device with array antennas | |
| CN202362796U (en) | Management device using wireless sensing device | |
| CN103489029B (en) | Radio frequency card | |
| CN206370086U (en) | Intelligent identifying system and smart packages | |
| CN103455778A (en) | Object position measurement RFID system and object position measurement method thereof | |
| CN202736099U (en) | RFID tag with proximity sensitive device and RFID system with proximity sensitive device | |
| CN202584180U (en) | RFID label with temperature-sensitive device and RFID system | |
| CN206363356U (en) | Intelligent identifying system and smart packages | |
| CN103514475A (en) | Thick antenna discrete ultrahigh frequency intelligent label | |
| CN206657368U (en) | A kind of campus based on RFID data acquisition technique perceives safety detecting system | |
| TWM434996U (en) | Device for detecting RF electronic tag with micro bend escaped wave | |
| CN203038312U (en) | RFID tag and antenna system thereof | |
| CN201255883Y (en) | Ground adhering recognizer | |
| CN202693068U (en) | Radio frequency identification device (RFID) system used for measuring material level | |
| CN102820519A (en) | Antenna system of RFID reader | |
| CN202929647U (en) | Double-frequency-band radio frequency read-write apparatus | |
| CN201698473U (en) | Intelligent compound IC (Integrated Circuit) card structure | |
| CN203405839U (en) | TF-RFID intelligent card and intelligent equipment | |
| CN203456574U (en) | RFID antenna for inner die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |
|
| CX01 | Expiry of patent term |